with Anders Olof Larsson "From Emerging to Established? A Comparison of Twitter Use during Swedish Election Campaigns in 2010 and 2014". To be published in Axel Bruns, Gunn Enli, Anders Olof Larsson, Christian Christensen and Eli Skogerbø (eds) Routledge Companion to Social Media and Politics. London: Routledge.

2014 with Karen Donders "European State aid control and public service broadcasting: Competition policy clashing or matching with public interest objectives?", pp. 426-441 in Karen Donders, Caroline Pauwels, and Jan Loisen (eds) The Palgrave Handbook of European Media Policy, London: Palgrave.

2011 with Jostein Gripsrud, Anders Molander and Graham Murdock "General Introduction", "Introduction: Discovering the Public Sphere", "Introduction: The Political Public Sphere", "Introduction: The Cultural Public
Sphere", and "Introduction: The Future of the Public Sphere", pp. xxxi-xxxvi and xxxvii-xliii in vol. I, vii-xiii in vol II, ix-xviii in vol III, and vii-xv in vol IV in Jostein Gripsrud, Hallvard Moe, Anders Molander
and Graham Murdock (eds) The Public Sphere: Vol. I-IV. London: SAGE Publications